Finding the Third Proportional to 32,310 and 68,456.25

Step by Step Solution

1. Step 1: Write the proportion equation
   32,310 : 68,456.25 = 68,456.25 : x
2. Step 2: Convert to fraction form
   32,310/68,456.25 = 68,456.25/x
3. Step 3: Cross multiply
   32,310x = 68,456.25 × 68,456.25
4. Step 4: Simplify right side
   32,310x = 4,686,258,164.06
5. Step 5: Solve for x
   x = 4,686,258,164.06/32,310
6. Step 6: Final answer
   x = 145,040.49